Kalshi vs. New York: The Fight Over Bettor Privacy and Transparency

New York has filed a petition seeking a court order that would force the prediction market platform Kalshi to reveal bettors' names, wagers, and losses — and to pay restitution. The move pits a state's consumer-protection machinery against a CFTC-regulated exchange that says it offers event contracts, not gambling. The outcome could set a precedent for how prediction platforms handle state demands for user data.

Kalshi operates in the gray zone between finance and wagering. It lets users buy contracts on events like election outcomes, interest-rate decisions, and economic data, and it is registered with the Commodity Futures Trading Commission. New York, however, has long treated many prediction-market products as illegal gambling under state law, and its petition reflects that disagreement.

What New York Argues

The state's petition demands identities, wagers, losses, and restitution — a classic enforcement model that seeks to quantify harm to New York consumers. Supporters of this approach say prediction markets can function as unlicensed betting operations that skirt state oversight, and that transparency is essential to determine whether users understand the risks and lost money. Without disclosure, they argue, there is no way to assess damage or return money to the public.

What Kalshi and Its Defenders Say

Kalshi's side counters that the platform is a federally regulated exchange for event contracts — not a casino — and that state-level demands for individual user data are an overreach. Forcing the disclosure of names, wagers, and losses, they warn, would invade user privacy and discourage participation in a legitimate market. They also point to federal regulatory approval and argue that allowing one state to demand proprietary data could create a patchwork of conflicting rules across the country.

Why This Case Matters

At the heart of the fight is a simple but unresolved question: Are prediction markets a form of trading or a form of gambling? The answer determines who has jurisdiction, what consumer protections apply, and how much personal data platforms must surrender to state governments. Kalshi's position is that its contracts are derivatives, while New York's petition treats them as wagers. The court's ruling will essentially pick a side, even if only for this case.

What to Watch Next

The near-term focus is the court's ruling on the petition and whether Kalshi negotiates with the state before any order is issued. Beyond that, watch whether other states file similar demands, and whether the CFTC or Congress steps in to clarify whether federal regulation preempts state gambling laws. Any change in how Kalshi treats its user data could ripple across the broader prediction-market industry.